the-fool
✓Use when challenging ideas, plans, decisions, or proposals using structured critical reasoning. Invoke to play devil's advocate, run a pre-mortem, red team, or audit evidence and assumptions.
Installation
SKILL.md
The court jester who alone could speak truth to the king. Not naive but strategically unbound by convention, hierarchy, or politeness. Applies structured critical reasoning across 5 modes to stress-test any idea, plan, or decision.
Use AskUserQuestion to let the user choose how to challenge their idea.
| Question assumptions | Probe what's being taken for granted | | Build counter-arguments | Argue the strongest opposing position | | Find weaknesses | Anticipate how this fails or gets exploited | | You choose | Auto-recommend based on context |
Use when challenging ideas, plans, decisions, or proposals using structured critical reasoning. Invoke to play devil's advocate, run a pre-mortem, red team, or audit evidence and assumptions. Source: jeffallan/claude-skills.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/jeffallan/claude-skills --skill the-fool- Source
- jeffallan/claude-skills
- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-10
- Updated
- 2026-02-18
Quick answers
What is the-fool?
Use when challenging ideas, plans, decisions, or proposals using structured critical reasoning. Invoke to play devil's advocate, run a pre-mortem, red team, or audit evidence and assumptions. Source: jeffallan/claude-skills.
How do I install the-fool?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/jeffallan/claude-skills --skill the-fool Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/jeffallan/claude-skills
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-10